* kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2026-09-28 20:28 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-09-28 20:28 UTC (permalink / raw)
To: Tejun Heo; +Cc: oe-kbuild-all, linux-kernel, Andrea Righi
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e
commit: bb70e4fb626b70895b7917ee97c256f24d019c34 sched_ext: Eject the top rescue consumer on overload
date: 8 weeks ago
config: arm-randconfig-r2305-20260928 (https://download.01.org/0day-ci/archive/20260928/202609282245.GrTRG62D-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 7615da10b75c57286a4032eac8bb43c1b8d2ba46)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260928/202609282245.GrTRG62D-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: bb70e4fb626b ("sched_ext: Eject the top rescue consumer on overload")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609282245.GrTRG62D-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/deadline.c:3314:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:3314:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:3316:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:3316:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:3316:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:3578:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:3578:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:3578:23: sparse: struct task_struct *
kernel/sched/deadline.c:3631:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext/ext.c:391:46: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:1423:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:1613:48: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext/ext.c:1613:48: sparse: struct task_struct *
kernel/sched/ext/ext.c:1613:48: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext/ext.c:2370:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext/ext.c:2384:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext/ext.c:3302:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:4381:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:4382:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:6821:57: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:6822:51: sparse: sparse: incorrect type in argument 5 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8357:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8391:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8745:18: sparse: sparse: symbol 'scx_bpf_dsq_insert___v2' was not declared. Should it be static?
kernel/sched/ext/ext.c:8767:18: sparse: sparse: symbol 'scx_bpf_dsq_insert' was not declared. Should it be static?
kernel/sched/ext/ext.c:8825:1: sparse: sparse: symbol '__scx_bpf_dsq_insert_vtime' was not declared. Should it be static?
kernel/sched/ext/ext.c:8844:18: sparse: sparse: symbol 'scx_bpf_dsq_insert_vtime' was not declared. Should it be static?
kernel/sched/ext/ext.c:8989:17: sparse: sparse: symbol 'scx_bpf_dispatch_nr_slots' was not declared. Should it be static?
kernel/sched/ext/ext.c:9009:18: sparse: sparse: symbol 'scx_bpf_dispatch_cancel' was not declared. Should it be static?
kernel/sched/ext/ext.c:9053:18: sparse: sparse: symbol 'scx_bpf_dsq_move_to_local___v2' was not declared. Should it be static?
kernel/sched/ext/ext.c:9096:18: sparse: sparse: symbol 'scx_bpf_dsq_move_to_local' was not declared. Should it be static?
kernel/sched/ext/ext.c:9110:18: sparse: sparse: symbol 'scx_bpf_dsq_move_set_slice' was not declared. Should it be static?
kernel/sched/ext/ext.c:9129:18: sparse: sparse: symbol 'scx_bpf_dsq_move_set_vtime' was not declared. Should it be static?
kernel/sched/ext/ext.c:9163:18: sparse: sparse: symbol 'scx_bpf_dsq_move' was not declared. Should it be static?
kernel/sched/ext/ext.c:9188:18: sparse: sparse: symbol 'scx_bpf_dsq_move_vtime' was not declared. Should it be static?
kernel/sched/ext/ext.c:9229:17: sparse: sparse: symbol 'scx_bpf_reenqueue_local' was not declared. Should it be static?
kernel/sched/ext/ext.c:9268:17: sparse: sparse: symbol 'scx_bpf_create_dsq' was not declared. Should it be static?
kernel/sched/ext/ext.c:9355:18: sparse: sparse: symbol 'scx_bpf_task_set_slice' was not declared. Should it be static?
kernel/sched/ext/ext.c:9409:18: sparse: sparse: symbol 'scx_bpf_task_set_dsq_vtime' was not declared. Should it be static?
kernel/sched/ext/ext.c:9500:18: sparse: sparse: symbol 'scx_bpf_kick_cpu' was not declared. Should it be static?
kernel/sched/ext/ext.c:9522:18: sparse: sparse: symbol 'scx_bpf_kick_cid' was not declared. Should it be static?
kernel/sched/ext/ext.c:9545:17: sparse: sparse: symbol 'scx_bpf_dsq_nr_queued' was not declared. Should it be static?
kernel/sched/ext/ext.c:9592:18: sparse: sparse: symbol 'scx_bpf_destroy_dsq' was not declared. Should it be static?
kernel/sched/ext/ext.c:9613:17: sparse: sparse: symbol 'bpf_iter_scx_dsq_new' was not declared. Should it be static?
kernel/sched/ext/ext.c:9654:32: sparse: sparse: symbol 'bpf_iter_scx_dsq_next' was not declared. Should it be static?
kernel/sched/ext/ext.c:9672:18: sparse: sparse: symbol 'bpf_iter_scx_dsq_destroy' was not declared. Should it be static?
kernel/sched/ext/ext.c:9701:32: sparse: sparse: symbol 'scx_bpf_dsq_peek' was not declared. Should it be static?
kernel/sched/ext/ext.c:9740:18: sparse: sparse: symbol 'scx_bpf_dsq_reenq' was not declared. Should it be static?
kernel/sched/ext/ext.c:9776:18: sparse: sparse: symbol 'scx_bpf_reenqueue_local___v2' was not declared. Should it be static?
kernel/sched/ext/ext.c:9869:18: sparse: sparse: symbol 'scx_bpf_exit_bstr' was not declared. Should it be static?
kernel/sched/ext/ext.c:9894:18: sparse: sparse: symbol 'scx_bpf_error_bstr' was not declared. Should it be static?
kernel/sched/ext/ext.c:9921:18: sparse: sparse: symbol 'scx_bpf_dump_bstr' was not declared. Should it be static?
kernel/sched/ext/ext.c:9976:17: sparse: sparse: symbol 'scx_bpf_cpuperf_cap' was not declared. Should it be static?
kernel/sched/ext/ext.c:9996:17: sparse: sparse: symbol 'scx_bpf_cidperf_cap' was not declared. Should it be static?
kernel/sched/ext/ext.c:10027:17: sparse: sparse: symbol 'scx_bpf_cpuperf_cur' was not declared. Should it be static?
kernel/sched/ext/ext.c:10047:17: sparse: sparse: symbol 'scx_bpf_cidperf_cur' was not declared. Should it be static?
kernel/sched/ext/ext.c:10134:18: sparse: sparse: symbol 'scx_bpf_cpuperf_set' was not declared. Should it be static?
kernel/sched/ext/ext.c:10158:17: sparse: sparse: symbol 'scx_bpf_cidperf_set' was not declared. Should it be static?
kernel/sched/ext/ext.c:10181:17: sparse: sparse: symbol 'scx_bpf_nr_node_ids' was not declared. Should it be static?
kernel/sched/ext/ext.c:10191:17: sparse: sparse: symbol 'scx_bpf_nr_cpu_ids' was not declared. Should it be static?
kernel/sched/ext/ext.c:10201:17: sparse: sparse: symbol 'scx_bpf_nr_cids' was not declared. Should it be static?
kernel/sched/ext/ext.c:10215:17: sparse: sparse: symbol 'scx_bpf_nr_online_cids' was not declared. Should it be static?
kernel/sched/ext/ext.c:10227:17: sparse: sparse: symbol 'scx_bpf_this_cid' was not declared. Should it be static?
kernel/sched/ext/ext.c:10242:34: sparse: sparse: symbol 'scx_bpf_get_possible_cpumask' was not declared. Should it be static?
kernel/sched/ext/ext.c:10250:34: sparse: sparse: symbol 'scx_bpf_get_online_cpumask' was not declared. Should it be static?
kernel/sched/ext/ext.c:10259:18: sparse: sparse: symbol 'scx_bpf_put_cpumask' was not declared. Should it be static?
kernel/sched/ext/ext.c:10275:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext/ext.c:10275:33: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext/ext.c:10275:33: sparse: struct task_struct const *
kernel/sched/ext/ext.c:10282:17: sparse: sparse: symbol 'scx_bpf_task_cpu' was not declared. Should it be static?
kernel/sched/ext/ext.c:10295:17: sparse: sparse: symbol 'scx_bpf_task_cid' was not declared. Should it be static?
kernel/sched/ext/ext.c:10315:23: sparse: sparse: symbol 'scx_bpf_locked_rq' was not declared. Should it be static?
kernel/sched/ext/ext.c:10342:32: sparse: sparse: symbol 'scx_bpf_cpu_curr' was not declared. Should it be static?
kernel/sched/ext/ext.c:10366:32: sparse: sparse: symbol 'scx_bpf_cid_curr' was not declared. Should it be static?
kernel/sched/ext/ext.c:10391:32: sparse: sparse: symbol 'scx_bpf_tid_to_task' was not declared. Should it be static?
kernel/sched/ext/ext.c:10459:17: sparse: sparse: symbol 'scx_bpf_now' was not declared. Should it be static?
kernel/sched/ext/ext.c:10490:18: sparse: sparse: symbol 'scx_bpf_events' was not declared. Should it be static?
kernel/sched/ext/ext.c:10527:27: sparse: sparse: symbol 'scx_bpf_task_cgroup' was not declared. Should it be static?
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext/cid.c:467:18: sparse: sparse: symbol 'scx_bpf_cid_override' was not declared. Should it be static?
kernel/sched/ext/cid.c:624:17: sparse: sparse: symbol 'scx_bpf_cid_to_cpu' was not declared. Should it be static?
kernel/sched/ext/cid.c:646:17: sparse: sparse: symbol 'scx_bpf_cpu_to_cid' was not declared. Should it be static?
kernel/sched/ext/cid.c:916:18: sparse: sparse: symbol 'scx_bpf_cid_topo' was not declared. Should it be static?
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext/idle.c:1027:17: sparse: sparse: symbol 'scx_bpf_cpu_node' was not declared. Should it be static?
kernel/sched/ext/idle.c:1055:17: sparse: sparse: symbol 'scx_bpf_select_cpu_dfl' was not declared. Should it be static?
kernel/sched/ext/idle.c:1110:1: sparse: sparse: symbol '__scx_bpf_select_cpu_and' was not declared. Should it be static?
kernel/sched/ext/idle.c:1129:17: sparse: sparse: symbol 'scx_bpf_select_cpu_and' was not declared. Should it be static?
kernel/sched/ext/idle.c:1165:34: sparse: sparse: symbol 'scx_bpf_get_idle_cpumask_node' was not declared. Should it be static?
kernel/sched/ext/idle.c:1191:34: sparse: sparse: symbol 'scx_bpf_get_idle_cpumask' was not declared. Should it be static?
kernel/sched/ext/idle.c:1223:34: sparse: sparse: symbol 'scx_bpf_get_idle_smtmask_node' was not declared. Should it be static?
kernel/sched/ext/idle.c:1253:34: sparse: sparse: symbol 'scx_bpf_get_idle_smtmask' was not declared. Should it be static?
kernel/sched/ext/idle.c:1282:18: sparse: sparse: symbol 'scx_bpf_put_idle_cpumask' was not declared. Should it be static?
kernel/sched/ext/idle.c:1303:18: sparse: sparse: symbol 'scx_bpf_test_and_clear_cpu_idle' was not declared. Should it be static?
kernel/sched/ext/idle.c:1342:17: sparse: sparse: symbol 'scx_bpf_pick_idle_cpu_node' was not declared. Should it be static?
kernel/sched/ext/idle.c:1384:17: sparse: sparse: symbol 'scx_bpf_pick_idle_cpu' was not declared. Should it be static?
kernel/sched/ext/idle.c:1428:17: sparse: sparse: symbol 'scx_bpf_pick_any_cpu_node' was not declared. Should it be static?
kernel/sched/ext/idle.c:1477:17: sparse: sparse: symbol 'scx_bpf_pick_any_cpu' was not declared. Should it be static?
kernel/sched/build_policy.c: note: in included file:
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/sub.c:2309:17: sparse: sparse: symbol 'scx_bpf_sub_grant' was not declared. Should it be static?
kernel/sched/ext/sub.c:2430:18: sparse: sparse: symbol 'scx_bpf_sub_revoke' was not declared. Should it be static?
kernel/sched/ext/sub.c:2524:17: sparse: sparse: symbol 'scx_bpf_sub_caps' was not declared. Should it be static?
kernel/sched/ext/sub.c:2614:17: sparse: sparse: symbol 'scx_bpf_sub_kill_bstr' was not declared. Should it be static?
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1418:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1313:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:1313:23: sparse: struct task_struct *
kernel/sched/rt.c:1313:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:1442:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1442:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1442:25: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2339:15: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2339:15: sparse: struct task_struct *
kernel/sched/deadline.c:2339:15: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:1442:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1442:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1442:25: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1343:11: sparse: sparse: dereference of noderef expression
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1676:15: sparse: sparse: dereference of noderef expression
vim +288 kernel/sched/ext/sub.c
263
264 /**
265 * scx_rescue_charge - Charge the rescuee's runtime
266 * @rq: rq the rescuee is running on
267 * @delta_exec: runtime being charged
268 *
269 * Also ends the rescue once the admitted slice has been served in full. Ending
270 * on served time rather than slice exhaustion bounds both the rescue and the
271 * charging when a scheduler extends the rescuee's slice.
272 */
273 void scx_rescue_charge(struct rq *rq, s64 delta_exec)
274 {
275 struct scx_sched_pcpu *pcpu;
276
277 lockdep_assert_rq_held(rq);
278
279 /*
280 * A rescue slice is bounded by one quantum and tick-driven expiry can
281 * overshoot by up to a tick. Clamp to avoid wild over-charges on VMs.
282 */
283 delta_exec = min_t(s64, delta_exec, scx_rescue_quantum_ns + TICK_NSEC);
284
285 rq->scx.rescue.budget -= delta_exec;
286
287 /* per-cpu usage average feeds the overload victim pick */
> 288 pcpu = per_cpu_ptr(scx_task_sched(rq->curr)->pcpu, cpu_of(rq));
289 pcpu->rescue_avg = scx_rescue_decay_avg(pcpu) + delta_exec;
290
291 if (!scx_rescue_slice_remaining(rq))
292 scx_task_slice_ended(rq, rq->scx.rescue.curr);
293 }
294
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread* kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2026-09-03 19:04 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-09-03 19:04 UTC (permalink / raw)
To: Tejun Heo; +Cc: oe-kbuild-all, linux-kernel, Andrea Righi
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 940de590b839f71d6dc846160534bf202401b8b7
commit: bb70e4fb626b70895b7917ee97c256f24d019c34 sched_ext: Eject the top rescue consumer on overload
date: 4 weeks ago
config: sparc-randconfig-r131-20260826 (https://download.01.org/0day-ci/archive/20260904/202609040234.7zfFgTWS-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 16.1.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260904/202609040234.7zfFgTWS-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: bb70e4fb626b ("sched_ext: Eject the top rescue consumer on overload")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609040234.7zfFgTWS-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/deadline.c:3314:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:3314:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:3314:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:3316:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:3316:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:3316:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:3578:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:3578:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:3578:23: sparse: struct task_struct *
kernel/sched/deadline.c:3631:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext/ext.c:391:46: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:1423:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:1613:48: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext/ext.c:1613:48: sparse: struct task_struct *
kernel/sched/ext/ext.c:1613:48: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext/ext.c:2370:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext/ext.c:2384:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext/ext.c:3302:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:4381:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:4382:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:6821:57: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:6822:51: sparse: sparse: incorrect type in argument 5 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8357:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8391:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:9776:18: sparse: sparse: symbol 'scx_bpf_reenqueue_local___v2' was not declared. Should it be static?
kernel/sched/ext/ext.c:10275:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext/ext.c:10275:33: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext/ext.c:10275:33: sparse: struct task_struct const *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/build_policy.c: note: in included file:
kernel/sched/build_policy.c: note: in included file:
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1418:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1313:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:1313:23: sparse: struct task_struct *
kernel/sched/rt.c:1313:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:1442:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1442:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1442:25: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2339:15: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2339:15: sparse: struct task_struct *
kernel/sched/deadline.c:2339:15: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:1442:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1442:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1442:25: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1343:11: sparse: sparse: dereference of noderef expression
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1676:15: sparse: sparse: dereference of noderef expression
vim +288 kernel/sched/ext/sub.c
263
264 /**
265 * scx_rescue_charge - Charge the rescuee's runtime
266 * @rq: rq the rescuee is running on
267 * @delta_exec: runtime being charged
268 *
269 * Also ends the rescue once the admitted slice has been served in full. Ending
270 * on served time rather than slice exhaustion bounds both the rescue and the
271 * charging when a scheduler extends the rescuee's slice.
272 */
273 void scx_rescue_charge(struct rq *rq, s64 delta_exec)
274 {
275 struct scx_sched_pcpu *pcpu;
276
277 lockdep_assert_rq_held(rq);
278
279 /*
280 * A rescue slice is bounded by one quantum and tick-driven expiry can
281 * overshoot by up to a tick. Clamp to avoid wild over-charges on VMs.
282 */
283 delta_exec = min_t(s64, delta_exec, scx_rescue_quantum_ns + TICK_NSEC);
284
285 rq->scx.rescue.budget -= delta_exec;
286
287 /* per-cpu usage average feeds the overload victim pick */
> 288 pcpu = per_cpu_ptr(scx_task_sched(rq->curr)->pcpu, cpu_of(rq));
289 pcpu->rescue_avg = scx_rescue_decay_avg(pcpu) + delta_exec;
290
291 if (!scx_rescue_slice_remaining(rq))
292 scx_task_slice_ended(rq, rq->scx.rescue.curr);
293 }
294
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread* kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2026-08-27 8:13 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-08-27 8:13 UTC (permalink / raw)
To: Tejun Heo; +Cc: oe-kbuild-all, linux-kernel, Andrea Righi
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 45c13f3f9e3bb15fd89ff2864c6f627a3b4b4229
commit: bb70e4fb626b70895b7917ee97c256f24d019c34 sched_ext: Eject the top rescue consumer on overload
date: 3 weeks ago
config: sparc-randconfig-r131-20260826 (https://download.01.org/0day-ci/archive/20260827/202608271621.Yk8t2Aal-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 16.1.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260827/202608271621.Yk8t2Aal-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: bb70e4fb626b ("sched_ext: Eject the top rescue consumer on overload")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608271621.Yk8t2Aal-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/deadline.c:3314:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:3314:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:3314:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:3316:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:3316:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:3316:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:3578:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:3578:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:3578:23: sparse: struct task_struct *
kernel/sched/deadline.c:3631:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext/ext.c:391:46: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:1423:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:1613:48: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext/ext.c:1613:48: sparse: struct task_struct *
kernel/sched/ext/ext.c:1613:48: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext/ext.c:2370:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext/ext.c:2384:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext/ext.c:3302:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:4381:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:4382:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:6821:57: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:6822:51: sparse: sparse: incorrect type in argument 5 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8357:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:8391:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext/ext.c:9776:18: sparse: sparse: symbol 'scx_bpf_reenqueue_local___v2' was not declared. Should it be static?
kernel/sched/ext/ext.c:10275:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext/ext.c:10275:33: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext/ext.c:10275:33: sparse: struct task_struct const *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/build_policy.c: note: in included file:
kernel/sched/build_policy.c: note: in included file:
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext/sub.c:288:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1418:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1313:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:1313:23: sparse: struct task_struct *
kernel/sched/rt.c:1313:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:1442:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1442:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1442:25: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2339:15: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2339:15: sparse: struct task_struct *
kernel/sched/deadline.c:2339:15: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2481:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2481:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2481:26: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:2470:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2470:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2470:25: sparse: struct task_struct *
kernel/sched/sched.h:1442:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1442:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1442:25: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1343:11: sparse: sparse: dereference of noderef expression
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1676:15: sparse: sparse: dereference of noderef expression
vim +288 kernel/sched/ext/sub.c
263
264 /**
265 * scx_rescue_charge - Charge the rescuee's runtime
266 * @rq: rq the rescuee is running on
267 * @delta_exec: runtime being charged
268 *
269 * Also ends the rescue once the admitted slice has been served in full. Ending
270 * on served time rather than slice exhaustion bounds both the rescue and the
271 * charging when a scheduler extends the rescuee's slice.
272 */
273 void scx_rescue_charge(struct rq *rq, s64 delta_exec)
274 {
275 struct scx_sched_pcpu *pcpu;
276
277 lockdep_assert_rq_held(rq);
278
279 /*
280 * A rescue slice is bounded by one quantum and tick-driven expiry can
281 * overshoot by up to a tick. Clamp to avoid wild over-charges on VMs.
282 */
283 delta_exec = min_t(s64, delta_exec, scx_rescue_quantum_ns + TICK_NSEC);
284
285 rq->scx.rescue.budget -= delta_exec;
286
287 /* per-cpu usage average feeds the overload victim pick */
> 288 pcpu = per_cpu_ptr(scx_task_sched(rq->curr)->pcpu, cpu_of(rq));
289 pcpu->rescue_avg = scx_rescue_decay_avg(pcpu) + delta_exec;
290
291 if (!scx_rescue_slice_remaining(rq))
292 scx_task_slice_ended(rq, rq->scx.rescue.curr);
293 }
294
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
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